Question

The foundry uses ___________ process to relieve stresses produced in castings.

(a) Reforming

(b) Heat treatment

(c) Water treatment

(d) Cooling

I have been asked this question in exam.

I want to ask this question from Principles of Foundry in portion Foundry Introduction of Foundry and Forging

Answer 1

Correct choice is (b) Heat treatment

To explain: The method used to prepare a casting imparts high stress to the walls of the casting due to the extensive process involved. Heat treatment is the most economical method used by the foundry to relieve the stress and ready the casting.